Question: A person sees clearly wearing eyeglasses that have a power of -3.00 diopters when the lenses are 1.95 cm in front of the eyes. (a).

A person sees clearly wearing eyeglasses that have a power of -3.00 diopters when the lenses are 1.95 cm in front of the eyes.

(a). What is the focal length of the lens? cm 

(b). Is the person nearsighted or farsighted? nearsighted O farsighted 

(c). If the person wants to switch to contact lenses placed directly on the eyes, what lens power should be prescribed? dioptersrn

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